On 20 Sep 2009, at 17:07, Harry Putnam wrote:
Following my most recent update world of Sept. 13, mplayer only produces a black screen when playing quicktime .mov files.
Suggest playing one from the command line - mplayer gives a LOT of output, some of which may be useful. You might have to use _something like_ "-vo X11" (check the manpage / docs for full vo options).
Stroller.